Linux upgrade MySQL to MySQL latest version of the method

Because a lot of the time when the installation of the program mysql5.0 completely not to force, so we want to upgrade MySQL to 5.5, after all, since the 5.0 version!
1. Update Yum Source

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RPM-UVH http://repo.webtatic.com/yum/centos/5/latest.rpm

2. Install Yum support

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Yum Install libmysqlclient15--enablerepo=webtatic

3. Stop MySQL Service

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Service Mysqld Stop

4. Uninstall the old version of MySQL

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Yum Remove MySQL mysql-*

5. Install a new version of MySQL

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Yum Install mysql55 mysql55-server--enablerepo=webtatic

Single mode to start MySQL (this step, optional!) ）

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Mysqld_safe--skip_grant_tables

6. Upgrade MySQL

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Mysql_upgrade

7. Restart MySQL Database

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Service mysqld Restart

You can then complete the upgrade operation